Patents for John A. Beam


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Patents for John A. Beam
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
CA-14,893	Jan. 01, 1882	J.A. Beam	Improvements of Thrashing Machines
296,111	Apr. 01, 1884	J.A. Beam	Thrashing Machine	threshers and thrashers